Save in ~/.bashrc and reload with `source ~/.bashrc`

.bashrc

# .bashrc 

alias rm='rm -i'
alias cp='cp -i'
alias mv='mv -i'
alias elog='tail -f /var/log/httpd/error_log'
alias loga='tail -f /var/log/httpd/access_log'
alias sugar='tail -f sugarcrm.log'
alias web='cd /srv/httpd/'
alias phpunit='custom/vendor/bin/phpunit --color'
alias db='mysql -u  -p '

# Source global definitions
if [ -f /etc/bashrc ]; then 
    . /etc/bashrc
fi

function parse_git_branch () {
  git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}
 
RED="\[\033[0;31m\]"
YELLOW="\[\033[0;33m\]"
GREEN="\[\033[0;32m\]"
NO_COLOR="\[\033[0m\]"
 
PS1="dev:$GREEN\u@\h$NO_COLOR:\w$YELLOW\$(parse_git_branch)$NO_COLOR\$ "